Release Notes Report Factory

Version 2.3.1
Improvement
* [RF-2489] - Project selection should be ordered alphabetically instead of by project configuration save
* [RF-2563] - Improve handling of nil values in 6.9

Bug
* [RF-2562] - Problem with report "All Positions" and Anlagespiegel in RF1 and RF2 client projects
* [RF-2560] - Warning message after logging into reportfactory 2 cloud version
* [RF-2556] - Warning message when working with reportfactory version 2.3.0
* [RF-2521] - Mandatory field indication is missing in RF2 taxonomy browser
* [RF-2559] - reportfactory 2 Cloud Version still displays version 2.2.0 instead of 2.3.0.
* [RF-2494] - After validation, positions excluded in filter still appear.